Consumer alert: aquarium moss balls may contain invasive species - Washington Daily News
What are these orbs on my moss ball? : r/Aquariums
NY DEC warns aquarium owners about invasive zebra mussels in 'moss balls
Inaugural 'King of Tillery' catfish tournament set - The Richmond
UPDATE to Consumer Alert: Aquarium Moss Balls May Contain Invasive Zebra Mussels - N.C. Wildlife Resources Commission
Invasive zebra mussels found in aquarium moss products
McDowell Soil and Water Conservation District
New Guidance About Zebra Mussels Found in Aquatic Moss Balls - N.C. Wildlife Resources Commission
Invasive Zebra Mussels Found in Pet Stores in 21 States — Landscape Partnership